FR2427149A1 - Marteau a grande vitesse, sans chabotte - Google Patents
Marteau a grande vitesse, sans chabotteInfo
- Publication number
- FR2427149A1 FR2427149A1 FR7816083A FR7816083A FR2427149A1 FR 2427149 A1 FR2427149 A1 FR 2427149A1 FR 7816083 A FR7816083 A FR 7816083A FR 7816083 A FR7816083 A FR 7816083A FR 2427149 A1 FR2427149 A1 FR 2427149A1
- Authority
- FR
- France
- Prior art keywords
- bottom die
- high speed
- top piston
- opposed pistons
- noise suppression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001629 suppression Effects 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/22—Drives for hammers; Transmission means therefor for power hammers
- B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/02—Special design or construction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7816083A FR2427149A1 (fr) | 1978-05-30 | 1978-05-30 | Marteau a grande vitesse, sans chabotte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7816083A FR2427149A1 (fr) | 1978-05-30 | 1978-05-30 | Marteau a grande vitesse, sans chabotte |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2427149A1 true FR2427149A1 (fr) | 1979-12-28 |
| FR2427149B1 FR2427149B1 (OSRAM) | 1980-11-14 |
Family
ID=9208843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7816083A Granted FR2427149A1 (fr) | 1978-05-30 | 1978-05-30 | Marteau a grande vitesse, sans chabotte |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2427149A1 (OSRAM) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3608650A (en) * | 1968-11-30 | 1971-09-28 | Saburo Matsusaka | Impact cylinder apparatus |
| US3623351A (en) * | 1969-06-20 | 1971-11-30 | Iosif Lvovich Makhtjuk | High-speed hammer |
| DE2318626A1 (de) * | 1973-04-13 | 1974-10-17 | Emil Helfferich Nachfolger | Vorrichtung zur laermdaempfung von arbeitsmaschinen |
| FR2227915A1 (OSRAM) * | 1973-05-03 | 1974-11-29 | Asea Ab |
-
1978
- 1978-05-30 FR FR7816083A patent/FR2427149A1/fr active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3608650A (en) * | 1968-11-30 | 1971-09-28 | Saburo Matsusaka | Impact cylinder apparatus |
| US3623351A (en) * | 1969-06-20 | 1971-11-30 | Iosif Lvovich Makhtjuk | High-speed hammer |
| DE2318626A1 (de) * | 1973-04-13 | 1974-10-17 | Emil Helfferich Nachfolger | Vorrichtung zur laermdaempfung von arbeitsmaschinen |
| FR2227915A1 (OSRAM) * | 1973-05-03 | 1974-11-29 | Asea Ab |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2427149B1 (OSRAM) | 1980-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |